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CVE-2019-3663: Advanced Threat Defense (ATD) - Unprotected storage of shared credentials vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-14 · updated 2026-06-17
• Weakness: CWE-522

Description

Unprotected Storage of Credentials vulnerability in McAfee Advanced Threat Defense (ATD) prior to 4.8 allows local attacker to gain access to the root password via accessing sensitive files on the system. This was originally published with a CVSS rating of High, further investigation has resulted in this being updated to Critical. The root password is common across all instances of ATD prior to 4.8. See the Security bulletin for further details

Affected products

• McAfee Advanced Threat Defense (ATD): before 4.8 — fixed in 4.8

How to fix

Upgrade to a fixed version: McAfee Advanced Threat Defense (ATD) 4.8. Check the vendor advisory for mitigations.

References

• https://kc.mcafee.com/corporate/index?page=content&id=SB10304
• https://kc.mcafee.com/corporate/index?page=content&id=SB10304

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